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Basic disposition:
1.Imported sealed parts used in the hammer rod and piston;
2.Automatic lubricating system;
3.On-line digital display detector of oil temperature and pressure (Germany);
4.Electronic control system of SIEMENS;
5.Man- machine conversation screen of SIEMENS;
6.Bypass circular cooling and filter system;
7.Main oil pumps: angle-type plunger pumps;
8.42 malfunction check points (hydraulic, electronic) with 36 automatic check points;
9.Welding hammer framework;
10.The counterblow hammer��s tups which have the equal weight strike each other with equal striking stroke by the hydraulic driving;

Performance and features:
A.High integrated power units adopts PLC fully hydraulic driving to realize no pipes connecting to ensure no leakage, high efficiency and energy saving;
B.Multinomial safety measure, circumspect on-line detecting and simplified system design can ensure safety and reliability;
C.Normal PLC energy control ways can be adjusted and set optionally and easily;
D.90% hydraulic parts are standard and easily purchased with simple construct and lower run cost

Technical parameters:

SPEC.	CDKA	160	200	250	320	400
Striking energy	KJ	160	200	250	320	400
Ram weight (up)	KG	18000	23000	29000	35000	48000
Ram weight (down)	KG	20000	25000	32000	39000	52000
Striking stroke (up ram)	mm	630	700	700	700	700
Striking stroke (down ram)	mm	630	700	700	700	700
Striking frequency		50	50	45	45	40
Main motor power	KW	220	264	360	440	528